Thea High Waisted Shaping Brief
The #1 Postpartum High-Waist Brief.
- Instant flat tummyLooks visibly flatter and smoother the second you pull them on, under any outfit.Instant
- 360° all-around supportThe crossed band holds your middle front, sides and back, not just the front panel.360°
- Invisible under clothes100% opaque and seamless, no VPL and no lines.Invisible
- Stays put all dayAnti-roll high waist, no rolling and no digging.No rolling
- Eleven sizes, S to 8XLEight colours, and a size range built for real bodies rather than a narrow band.Any size
Secure checkout30-day guaranteeTracked shipping
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Ships by Oct 19
Free shipping across Australia, tracked with Australia Post.
30-day money-back guarantee. Not right for you? Send them back for a full refund. Underwear has to come back unworn, with the hygiene strip intact.
How it works
Slip them on and the crossed X bands wrap your middle, front, sides and back at the same time. Most shaping briefs press on the front panel only, which moves the softness out to the sides and lifts the waistband off you within the hour. This does the opposite.
- Crossed X bands. The diagonal bands spread the tension around the whole circumference instead of loading one panel.
- Anti-roll high waistband. Wide and high-rise, sits above the tummy and stays there.
- Invisible under clothes. Smooth, seamless edges, so nothing prints through a fitted dress.
- Light four-way stretch. The knit moves with you rather than against you.
Features and fabric
- Fabric: soft, breathable second-skin knit with four-way stretch
- Waistband: wide and high-rise, no rolling and no digging
- Edges: smooth and seamless, no visible line
- Crossed X bands: diagonal shaping across the tummy
- Opacity: fully opaque
- Care: machine wash cold, hang to dry, do not bleach or tumble dry
Size and fit
This is a compression fit, so it is meant to sit firmly. Measure your current waist and hips rather than the size you used to take. Open the size guide for the full table and the calculator.
Between two sizes? Take the larger one. With compression a size too small is unpleasant all day, and a size too large is simply a little less firm.
Shipping and returns
Shipping. Orders are processed in 1 to 3 business days and shipped tracked with Australia Post. Shipping across Australia is free.
Returns. Thirty days to change your mind. Underwear can only be returned unworn, in its original packaging, with the hygiene strip intact.
Most common questions
Will it roll down? The waistband is wide and high-rise, which is what stops it. A narrow band on a soft waist is what rolls.
Will it show under a fitted dress? The edges are seamless and the fabric is opaque, so there is no visible line.
What if I am between two sizes? Take the larger one.
Can I machine wash it? Yes. Cold wash, hang to dry, no bleach and no tumble dryer.
What if it does not fit? Thirty days to change your mind, unworn and with the hygiene strip intact.
Thea shaping brief
Find your size
Move both sliders to see your size.
No tape measure? A phone charging cable or a piece of string works. Mark where it meets, then lay it flat against a ruler.
Full size chart
| Size | AU | Waist | Hips |
|---|
✓30 days to change your mind if the size is not right. Unworn, with the hygiene strip intact.
How to measure yourself
Stand relaxed and breathe out. Wrap a soft tape around your middle, level, just above your belly button. Keep it flat against your skin, snug enough to stay put but not tight enough to dent.
Measure around the fullest part of your hips and seat, feet together. Keep the tape level all the way around.
Match your measurements to the table, or let the calculator above do it for you. Between two sizes, take the larger one.
In their own words
Real women. Real words.
3 months postpartum★★★★★
Three months after my second and nothing fit. The first time I put these on I actually felt flat under my dress. I'd forgotten that feeling.
Megan R.
4 years postpartum★★★★★
My youngest is 4 and my belly never really went back, until these. I finally recognize myself in the mirror again.
Patricia L.
Back to work★★★★★
Wore them under my work trousers on my first day back. Completely invisible, smooth all day, nobody knew.
Aisha K.
Everyday mom★★★★★
I'm up and down all day with the baby and they never roll or dig. I genuinely forget I have them on.
Gabriela M.
30-day money-back guarantee · Free shipping across Australia
Feel like yourself again
It is not your fault
and it is not too late.
For years the advice was to eat less and do more crunches. But a soft middle is not only a calorie problem. Most shapewear fails for one reason: it squeezes one part of a circle and lets the rest go somewhere else. That is a design problem, not something about your body.
Thea wraps the whole circumference instead, front, sides and back, so nothing gets pushed anywhere.
- Holds front, sides and back
- Will not roll or slide down
- Invisible under everything you wear
Eleven sizesNo rollingInvisible under clothes
The 360° hold
This is what 360° hold looks like.
The crossed band wraps and smooths the second it goes on.
BeforeWith the briefEngineered to hold
Every detail, built to hold.
Most shapewear squeezes, then rolls down by lunch. The crossed band flattens, smooths and stays put from morning to night.
The mechanism
Breathable
Stays put
Invisible30-day guarantee · Free shipping across Australia
Why it is different
They compress the front. We wrap all 360°.
The same idea as the Malaysian bengkung, a crossed-wrap technique used for centuries.
Typical shaper: front onlyThea: full 360° wrapInspired by the Malaysian bengkung. A crossed-compression technique used for centuries to support and draw in the middle.
Compresses the front only
Slides and shifts through the day
Visible under your clothes
The volume just moves out to your sides
360°, front, sides and back
Worn like a regular brief
Invisible under any outfit
Nothing gets pushed anywhere
Straight from real moms
Seen on real moms.
Opaque · Invisible under clothes · 30-day guarantee
See what changed
See what changed. In their words.
Fresh postpartum
★★★★★
I felt flat under my dress again
Six weeks postpartum and nothing sat right. The second I put these on my tummy looked smooth under my dress. I welled up a little, honestly.
Worried nothing would work this soon
HHannah B.
Years after
★★★★★
My youngest is 5. I gave up years ago
I assumed this was just my body now. These smooth my belly and the high waist never rolls. I finally feel like myself in fitted clothes again.
Thought it was too late for me
DDenise K.
Invisible / work
★★★★★
Invisible under my work dresses
Back-to-work wardrobe was depressing me. These are completely invisible under everything I own. Smooth all day, zero panty line.
PPriya N.
All-day comfort
★★★★★
I forget I have them on
I'm carrying, feeding and chasing a toddler all day. No digging, no rolling, no readjusting. They just stay put and stay comfortable.
Expected it to dig and roll
SSofia R.
Back relief
★★★★★
My lower back thanks me
The all-around support takes some of the load off my back during the long days of carrying and nursing. I'm far less sore by bedtime.
Didn’t expect any back relief
BBrittany M.
C-section
★★★★★
Comfortable over my C-section
Once I was healed and cleared, these sit so comfortably over my C-section area. High-rise, soft edges, and they smooth everything beautifully.
Unsure after a C-section
AAlyssa T.
See it for yourself
Same dress. Same body. The second it is on.
No filters and no posing tricks, just the instant smoothing the moment Thea goes on underneath.
Without itWith the briefYour questions, answered
Everything you are wondering about.
The questions women ask most before their first pair.
RollingWill it roll down by the afternoon?
The waistband is wide and high-rise, which is what stops it. A narrow band on a soft waist is what rolls. Wear it through a whole day and look at where it is at seven in the evening. If it has moved, send it back.
Why differentI have tried other shapewear. How is this different?
Most shaping briefs press on the front panel only, so the softness moves out to the sides and the waistband lifts off you within the hour. The crossed X bands spread the tension around the whole circumference instead, so there is nowhere for it to go.
ResultsWill it actually smooth my middle, or just hide it?
It smooths while you wear it. Shapewear shapes the line of your clothes, it does not change your body, and we are not going to tell you otherwise.
ComfortIs it comfortable enough for a whole day?
It is a compression fit, so it holds. The difference is that the tension is spread around rather than concentrated in one panel, which is what makes a rigid shaper dig in. The knit is light and breathable.
InvisibleCan I wear it under work clothes or a dress?
Yes. The fabric is fully opaque and the edges are seamless, so there is no visible line under a fitted dress or trousers.
SizingWhat if I am between two sizes?
Take the larger one. With compression a size too small is unpleasant all day, and a size too large is simply a little less firm. Measure your current waist and hips, not the size you used to take.
WashingCan I machine wash it?
Yes. Cold wash, hang to dry, no bleach and no tumble dryer.
GuaranteeWhat if it does not work for me?
Thirty days to change your mind and a full refund. For underwear it has to come back unworn, in its original packaging, with the hygiene strip intact. Read the full policy here.
ShippingWhen will it ship?
Orders are processed in 1 to 3 business days and sent tracked with Australia Post. Free shipping across Australia.